libFirm 1.20
Start node

The first node of a graph. More...

Enumerations

enum  pn_Start {
  pn_Start_X_initial_exec, pn_Start_M, pn_Start_P_frame_base, pn_Start_T_args,
  pn_Start_max = pn_Start_T_args
}
 Projection numbers for result of Start node (use for Proj nodes) More...

Functions

ir_nodenew_rd_Start (dbg_info *dbgi, ir_graph *irg)
 Construct a Start node.
ir_nodenew_r_Start (ir_graph *irg)
 Construct a Start node.
ir_nodenew_d_Start (dbg_info *dbgi)
 Construct a Start node.
ir_nodenew_Start (void)
 Construct a Start node.
int is_Start (const ir_node *node)
 Test if node is a Start.
ir_opget_op_Start (void)
 Returns opcode for Start nodes.

Variables

ir_opop_Start
 Start opcode.

Detailed Description

The first node of a graph.

Execution starts with this node.


Enumeration Type Documentation

enum pn_Start

Projection numbers for result of Start node (use for Proj nodes)

Enumerator:
pn_Start_X_initial_exec 

control flow

pn_Start_M 

initial memory

pn_Start_P_frame_base 

frame base pointer

pn_Start_T_args 

function arguments

Definition at line 3430 of file nodeops.h.


Function Documentation

ir_op* get_op_Start ( void  )

Returns opcode for Start nodes.

int is_Start ( const ir_node node)

Test if node is a Start.

Returns:
1 if the node is a Start node, 0 otherwise
ir_node* new_d_Start ( dbg_info dbgi)

Construct a Start node.

Parameters:
dbgiA pointer to debug information.
ir_node* new_r_Start ( ir_graph irg)

Construct a Start node.

Parameters:
irgThe IR graph the node belongs to.
ir_node* new_rd_Start ( dbg_info dbgi,
ir_graph irg 
)

Construct a Start node.

Parameters:
dbgiA pointer to debug information.
irgThe IR graph the node belongs to.
ir_node* new_Start ( void  )

Construct a Start node.


Variable Documentation

Start opcode.

Definition at line 334 of file opcodes.h.